mb_scrub

    (PHP 7 >= 7.2.0, PHP 8)

    mb_scrub — Replace ill-formed byte sequences with the substitute character

    Description

    mb_scrub(string $string, ?string $encoding = null): string

    Perform a character set conversion from the specified encoding, or the default encoding if no encoding was specified, to the same encoding. This has the effect of replacing any invalid byte sequences with the substitute character.

    Parameters

    string

    The input string.

    encoding

    The encoding used to interpret string. If it is omitted or null, the mbstring.internal_encoding setting will be used if set, otherwise the default_charset setting will be used.

    Return Values

    The string result with invalid byte sequences replaced.

    Changelog

    Version Description
    8.0.0 encoding is nullable now.

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    User Contributed Notes 1 note

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    24
    Sammitch
    6 years ago
    Replaces 'ill-formed' byte sequences with '?'.

    See: https://github.com/php/php-src/pull/1099
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